With the activists' efforts the area was made into a historic preservation district in 1975.

Just weeks ago, the central business area was zoned a historic preservation district.

And in the preservation district, he said: "The big trees couldn't come down without a special permit.

Really, though, those are theme parks, or perhaps historic preservation districts.

In Mendocino there is a historic preservation district, so any changes to a house have to be approved.

Most of these neighborhoods are either partly or entirely in historic preservation districts.

Part of this district has been declared a national historical preservation district.

The Boulevards is an early 20th century residential neighborhood (now a historical preservation district).

In 2004, the "Kamianets" reserve was upgraded to that of a national preservation district.

There is no historic preservation district or landmarks commission for hawks' nests.